American Cryptogram Association: Crypto Drop Box  
   Sample journal issue, links to member homepages, subject-related graphics, subscription information, and resources.
   http://www.und.nodak.edu/org/crypto/crypto/

Professor Payne's World of Cryptograms  
   Interactive browser-based solver. Also contains program to generate cryptograms from a user-submitted quotation.
   http://www.freelearning.com/crypto/

Crypto Challenge  
   Free Windows-based software for solving. Uses quotations, humorous sayings, and scriptures. Extras available for a nominal charge. Includes screen shots. Keeps track of which letters are in play. Counts the frequency of each letter. Word lookup table.
   http://www.cryptochallenge.com/

CryptaGram  
   Offers download of limited version solver software. Extended version available for purchase. Has 14 quote topics, three levels of difficulty, and helpers. [Windows 95/98]
   http://www.isn.net/~bpj/

Cryptodaily  
   Free weekly email service. Daily email service for a fee.
   http://www.cryptodaily.com/

OneAcross - Cryptograms  
   Solving tool through web browser. Allows entry of a phrase, or selection from "easy, medium, or hard" quotations taken from the Linux fortune collection. Also features the ability to send cryptogram-encoded messages via email.
   http://www.oneacross.com/cryptograms/

Cryptogrammaton  
   Ancient Greek mythological themes. Solutions listed separately, along with stories about the mythical characters in the puzzle.
   http://www.angelfire.com/yt/lagedor/cryptomenu.html

Cryptogram Solver Source Code  
   Source code archive with several programs to automatically solve puzzles. Also includes "crypo-quote" of the day.
   http://www.gtoal.com/wordgames/cryptograms.html

Puzz.com: Cryptograms  
   Ten problems with solutions taken from famous sayings, adages, and proverbs. By William F. Bultas.
   http://www.puzz.com/cryptograms.html

CRpuzzles  
   Collection with browser-based solver tool. Includes hints. After deciphering the hidden quotation, solvers must derive the author's name from the cipher-quote letter pairs to complete their puzzle task. [Requires Java]
   http://www.crpuzzles.com/crypto/

Literary Cryptograms  
   Collection based on literary passages, both general and with specific sets from William Cowper, Jane Austen's Persuasion, Plato's Phaedrus. Includes browser-based solution and solving instructions.
   http://www.mirror.org/crypt/

Edgar Allan Poe Crypto Challenge  
   Historical background, contest details, and solution for the 157 year-old cryptograph which may have been written by Edgar Allan Poe.
   http://www.bokler.com/eapoe.html

Cryptogram Corner  
   Daily puzzles and past archive. Has links to other subject related sites.
   http://www.geocities.com/cryptogramcorner/

All-Star Puzzles' Cryptograms  
   Daily problems with browser based solver. The author's name is hidden in the cipher alphabet. [Requires Java]
   http://www.allstarpuzzles.com/cryptogram/index.html

Mac's Cryptograms  
   Daily cryptograms, solutions, and hints, as well as monthly recaps. Links to Puzzle Sites.
   http://www.almostretired.net

Copycreate.com Cryptoquote/Cryptogram  
   Daily cryptoquotes, and archive. Has browser-based helper form.
   http://copycreate.com

Crypto Daily  
   Delivered via email. Also has advice on how to solve.
   http://www.cryptodaily.com/cryptograms.html

Cryptograms Louise  
   A new problem every week.
   http://www.cryptogramsbylouise.com/cgrams.html

Cryptographs  
   Puzzles featuring a portrait of a famous person and an encrypted quotation of its source or subject.
   http://www.cryptograph.com/

Cryptogram game  
   Browser based solver. [Requires Flash 6]
   http://teppo.tv/cryptogram/

Between Waters  
   Daily problems and solutions available with or without interactive browser-based solver.
   http://www.betweenwaters.com/

Cryptograms Weekly  
   Weekly puzzles for printing and solving along with the solutions. Also offers a magazine and an online store.
   http://cryptograms.ca/

CryptoChallenge  
   A series of puzzles to solve. Has an encrypted sentence for each level. When it receives the decrypted answer it goes to another page with another encrypted message in a more advanced level.
   http://www.geocities.com/krypticl/

Cryptagram  
   Cryptagram is a Windows version of CryptoQuote and WordSearch. It is availible in a freeware and an extended version.
   http://www.cryptagram.com

Cryptic Quoter  
   Functional online cryptogram machine and solver. Has wof and buster extra features.
   http://guitar.to/cryptic.html

RuneQuest Challenge  
   A multi-layered cipher puzzle using lore themes with cash prizes for various checkpoints and the final solution. In order to be eligible for the prizes, a solver must register their name/address/email and pay a registration fee. Registered people will get
   http://members.aol.com/SciRealm/RuneQuest.html